Taxi - Describe How Your APIs and Data Relate Queries API

openapi: 3.1.0
info:
  title: Taxi Language Conversion Queries API
  description: Taxi is an open-source language for describing APIs, data models, and how data relates across an entire ecosystem. This API covers the Taxi schema compiler service, TaxiQL query execution, schema registry operations, and tooling integrations for generating Taxi schemas from existing API specifications.
  version: '1.0'
  contact:
    name: Taxi Language
    url: https://taxilang.org/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://api.taxilang.org
  description: Taxi API service
tags:
- name: Queries
  description: TaxiQL query execution
paths:
  /queries:
    post:
      operationId: executeQuery
      summary: Execute TaxiQL Query
      description: Execute a TaxiQL query against registered schemas and data sources. Taxi orchestrates the required API calls, data lookups, and transformations to fulfill the query.
      tags:
      - Queries
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/QueryRequest'
      responses:
        '200':
          description: Query results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QueryResult'
        '400':
          $ref: '#/components/responses/BadRequest'
  /queries/{query_id}:
    get:
      operationId: getQueryStatus
      summary: Get Query Status
      description: Returns the status and results of an asynchronous TaxiQL query.
      tags:
      - Queries
      parameters:
      - name: query_id
        in: path
        required: true
        description: Query execution ID
        schema:
          type: string
      responses:
        '200':
          description: Query status and results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QueryResult'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    QueryResult:
      type: object
      properties:
        query_id:
          type: string
          description: Query execution ID
        status:
          type: string
          enum:
          - running
          - complete
          - failed
        data:
          description: Query result data
        execution_plan:
          type: array
          items:
            type: string
          description: List of API calls executed to fulfill the query
        duration_ms:
          type: integer
          description: Query execution time in milliseconds
    Error:
      type: object
      properties:
        code:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error description
        errors:
          type: array
          items:
            type: string
          description: List of specific error messages
    QueryRequest:
      type: object
      required:
      - query
      properties:
        query:
          type: string
          description: TaxiQL query string
        facts:
          type: object
          description: Starting facts as key-value pairs (typed values for query resolution)
          additionalProperties: {}
        async:
          type: boolean
          default: false
          description: Whether to execute query asynchronously
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
externalDocs:
  description: Taxi Language Documentation
  url: https://docs.taxilang.org/